/* Liquid Glassmorphism Design System */
:root {
    /* Color Palette */
    --bg-canvas: #0F0C20;
    --bg-canvas-light: #16122E;
    --glass-bg: rgba(255, 255, 255, 0.07);
    --glass-bg-hover: rgba(255, 255, 255, 0.12);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-border-glow: rgba(0, 210, 255, 0.4);
    
    /* Typography Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    /* Accent Gradients */
    --cyan-accent: #00D2FF;
    --pink-accent: #FF54B0;
    --gradient-accent: linear-gradient(135deg, #00D2FF 0%, #FF54B0 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.03) 100%);
    --rainbow-border: linear-gradient(135deg, rgba(0, 210, 255, 0.5), rgba(255, 84, 176, 0.5), rgba(138, 43, 226, 0.5));

    /* UI Measurements */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --blur-glass: blur(24px);
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Plus Jakarta Sans', 'Noto Sans SC', sans-serif;
    background-color: var(--bg-canvas);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

/* Background Canvas & Fluid Glowing Orbs */
#liquid-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    pointer-events: none;
}

.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
    animation: floatOrb 15s infinite alternate ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 210, 255, 0.35) 0%, rgba(0, 0, 0, 0) 70%);
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 84, 176, 0.3) 0%, rgba(0, 0, 0, 0) 70%);
    top: 40%;
    right: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, rgba(120, 50, 255, 0.3) 0%, rgba(0, 0, 0, 0) 70%);
    bottom: -100px;
    left: 20%;
    animation-delay: -10s;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(60px, 40px) scale(1.1); }
    100% { transform: translate(-40px, 80px) scale(0.95); }
}

/* Glassmorphism Containers */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-glow);
    transform: translateY(-4px);
    box-shadow: 0 30px 60px rgba(0, 210, 255, 0.15), inset 0 1px 2px rgba(255, 255, 255, 0.5);
}

/* Typography & Components */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 99px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: #FFFFFF;
    box-shadow: 0 8px 25px rgba(0, 210, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(255, 84, 176, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--cyan-accent);
}

.btn-glow {
    position: relative;
}

.btn-glow::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 99px;
    background: var(--gradient-accent);
    z-index: -1;
    filter: blur(8px);
    opacity: 0.7;
    transition: var(--transition);
}

.btn-glow:hover::after {
    opacity: 1;
    filter: blur(14px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* Top Announcement Banner */
.top-announcement {
    background: linear-gradient(90deg, rgba(15, 12, 32, 0.95), rgba(0, 210, 255, 0.2), rgba(255, 84, 176, 0.2), rgba(15, 12, 32, 0.95));
    border-bottom: 1px solid var(--glass-border);
    padding: 10px 0;
    text-align: center;
    font-size: 0.9rem;
    position: relative;
    z-index: 100;
}

.announcement-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.announcement-content .badge {
    background: var(--gradient-accent);
    padding: 2px 10px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.announcement-btn {
    color: var(--cyan-accent);
    text-decoration: none;
    font-weight: 600;
    margin-left: 8px;
    transition: var(--transition);
}

.announcement-btn:hover {
    color: var(--pink-accent);
    text-decoration: underline;
}

/* Navigation Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 99;
    background: rgba(15, 12, 32, 0.75);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px 0;
}

.nav-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-prism {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.5);
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-text .highlight {
    color: var(--cyan-accent);
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(0, 210, 255, 0.5);
}

/* Hero Section */
.hero-section {
    padding: 100px 0 60px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 99px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    font-size: 0.85rem;
    color: var(--cyan-accent);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 780px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 30px;
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4), inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.glass-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.window-dots {
    display: flex;
    gap: 8px;
}

.window-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}
.window-dots span:nth-child(1) { background: #FF5F56; }
.window-dots span:nth-child(2) { background: #FFBD2E; }
.window-dots span:nth-child(3) { background: #27C93F; }

.card-title {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.card-status {
    font-size: 0.85rem;
    color: #27C93F;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #27C93F;
    box-shadow: 0 0 10px #27C93F;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

.hero-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-box {
    padding: 20px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--cyan-accent);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Common Section Layout */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-tag {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--pink-accent);
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px 24px;
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(0, 210, 255, 0.15);
    border: 1px solid rgba(0, 210, 255, 0.3);
    color: var(--cyan-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Nodes Status Module */
.nodes-container {
    padding: 32px;
}

.nodes-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.nodes-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 6px 16px;
    border-radius: 99px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--gradient-accent);
    color: #fff;
    border-color: transparent;
}

.nodes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.node-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.node-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 210, 255, 0.3);
}

.node-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.node-flag {
    font-size: 1.4rem;
}

.node-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.node-type {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.node-metrics {
    text-align: right;
}

.node-ping {
    font-weight: 700;
    font-size: 0.9rem;
}

.node-ping.fast { color: #27C93F; }
.node-ping.medium { color: #FFBD2E; }

.node-status-bar {
    width: 50px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 4px;
    overflow: hidden;
}

.node-status-fill {
    height: 100%;
    background: #27C93F;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-card {
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
}

.pricing-card.popular {
    border: 2px solid var(--cyan-accent);
    box-shadow: 0 0 40px rgba(0, 210, 255, 0.25);
    transform: scale(1.03);
}

.pricing-badge {
    align-self: flex-start;
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.pricing-badge.popular-tag {
    background: var(--gradient-accent);
    color: #fff;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--cyan-accent);
    margin-bottom: 12px;
}

.plan-price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.plan-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.plan-features {
    list-style: none;
    margin-bottom: 32px;
    flex-grow: 1;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.plan-features li i {
    color: var(--cyan-accent);
}

.plan-btn {
    width: 100%;
}

/* Advantages Grid */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.adv-card {
    padding: 32px;
    display: flex;
    gap: 24px;
}

.adv-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.adv-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.adv-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Knowledge Base Keywords Tag Cloud */
.keywords-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.kw-tag {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 6px 14px;
    border-radius: 99px;
    font-size: 0.85rem;
    color: var(--cyan-accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Knowledge Base Grid */
.kb-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    padding: 24px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-category {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--pink-accent);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.article-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
    transition: var(--transition);
}

.article-card:hover .article-title {
    color: var(--cyan-accent);
}

.article-snippet {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 12px;
}

.read-more {
    color: var(--cyan-accent);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* FAQ Accordion */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    padding: 24px;
    cursor: pointer;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1.1rem;
}

.faq-question span {
    display: flex;
    align-items: center;
    gap: 12px;
}

.faq-question span i {
    color: var(--cyan-accent);
}

.faq-icon {
    transition: var(--transition);
    color: var(--text-secondary);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    color: var(--pink-accent);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, margin-top 0.4s ease;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    margin-top: 16px;
}

/* Reviews Grid */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    padding: 28px;
}

.review-stars {
    color: #FFBD2E;
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.review-text {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.author-name {
    font-weight: 700;
    font-size: 0.95rem;
}

.author-title {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* CTA Banner */
.cta-banner-section {
    padding: 60px 0 100px;
}

.cta-box {
    padding: 60px 40px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.15) 0%, rgba(255, 84, 176, 0.15) 100%);
    border: 1px solid var(--glass-border-glow);
}

.cta-box h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-box p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
    font-size: 1.05rem;
}

/* Footer */
.footer {
    background: rgba(10, 8, 20, 0.95);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.brand-col p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-top: 16px;
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--cyan-accent);
}

.footer-kw-list {
    color: var(--text-muted);
    font-size: 0.82rem;
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Modal Window for KB Article Detail */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(16px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    max-width: 850px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 40px;
    position: relative;
    background: rgba(20, 16, 42, 0.95);
    border: 1px solid var(--glass-border-glow);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    font-size: 1.8rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255, 84, 176, 0.5);
}

.modal-article-header {
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 16px;
}

.modal-article-tag {
    color: var(--cyan-accent);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

.modal-article-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 8px 0;
    line-height: 1.3;
}

.modal-article-meta {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.modal-article-body {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.8;
}

.modal-article-body h2 {
    color: var(--text-primary);
    font-size: 1.35rem;
    margin: 24px 0 12px;
}

.modal-article-body p {
    margin-bottom: 16px;
}

.modal-article-body ul {
    margin: 0 0 16px 20px;
}

.modal-article-body li {
    margin-bottom: 8px;
}

.modal-article-cta {
    margin-top: 32px;
    padding: 20px;
    background: rgba(0, 210, 255, 0.08);
    border: 1px dashed var(--cyan-accent);
    border-radius: var(--radius-md);
    text-align: center;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-title { font-size: 2.8rem; }
    .features-grid, .nodes-grid, .pricing-grid, .kb-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-title { font-size: 2.2rem; }
    .features-grid, .nodes-grid, .pricing-grid, .advantages-grid, .kb-grid, .reviews-grid {
        grid-template-columns: 1fr;
    }
    .pricing-card.popular { transform: none; }
    .footer-grid { grid-template-columns: 1fr; }
}